Neck warmer



FIG. 1 is a top plan view of a neck warmer in accordance with the present invention;

FIG. 2 is a bottom plan view of the neck warmer of FIG. 1; and,

FIG. 3 is a side perspective view of the neck warmer of FIG. 1 in a wrapped configuration.

Portions of FIGS. 1-3 are shown in dashed lines for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a neck warmer, as shown and described. 